<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>文件上传</title>
</head>
<body>
<h2>文件上传</h2>
<hr>
<!--                                                使用方法         文件上次必须要的属性 -->
<form action="http://127.0.0.1:9000/picture" method="post" enctype="multipart/form-data">
    <label>账号：<input type="text" name="username"></label>
    <label>账号：<input type="password" name="password"></label>
    <br>
    <label>头像：<input type="file" name="portrait" id=""></label>
    <br>
    <input type="submit" name="submit" id="" value="提交">
</form>
</body>
</html>